2111110012222 has 4 divisors (see below), whose sum is σ = 3166665018336. Its totient is φ = 1055555006110.

The previous prime is 2111110012211. The next prime is 2111110012237. The reversal of 2111110012222 is 2222100111112.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2111110012196 and 2111110012205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527777503054 + ... + 527777503057.

It is an arithmetic number, because the mean of its divisors is an integer number (791666254584).

Almost surely, 2^{2111110012222} is an apocalyptic number.

2111110012222 is a deficient number, since it is larger than the sum of its proper divisors (1055555006114).

2111110012222 is a wasteful number, since it uses less digits than its factorization.

2111110012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055555006113.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111110012222 its reverse (2222100111112), we get a palindrome (4333210123334).

The spelling of 2111110012222 in words is "two trillion, one hundred eleven billion, one hundred ten million, twelve thousand, two hundred twenty-two".